package com.ruoyi.framework.security;

import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;

import cn.dev33.satoken.secure.BCrypt;
import cn.dev33.satoken.stp.StpUtil;
import com.ruoyi.framework.utils.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.PatternMatchUtils;
import com.ruoyi.framework.constant.Constants;
import com.ruoyi.framework.constant.HttpStatus;
import com.ruoyi.framework.exception.ServiceException;
import com.ruoyi.web.system.domain.LoginUser;
import com.ruoyi.web.system.domain.SysRole;

/**
 * 安全服务工具类
 *
 * @author ruoyi
 */
public class SecurityUtils {
    private static final Logger log = LoggerFactory.getLogger(SecurityUtils.class);


    /**
     * 用户ID
     **/
    public static Long getUserId() {
        try {
            return getLoginUser().getUserId();
        } catch (Exception e) {
            throw new ServiceException("获取用户ID异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取部门ID
     **/
    public static Long getDeptId() {
        try {
            return getLoginUser().getDeptId();
        } catch (Exception e) {
            throw new ServiceException("获取部门ID异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取用户账户
     **/
    public static String getUsername() {
        try {
            return getLoginUser().getUsername();
        } catch (Exception e) {
            throw new ServiceException("获取用户账户异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取用户
     **/
    public static LoginUser getLoginUser() {
        try {
            log.info("==========SecurityUtils getLoginUser tokenValue= " + StpUtil.getTokenInfo().tokenValue);

            LoginUser loginUser = OnlineUserCache.INSTANCE.getUser(StpUtil.getTokenInfo().tokenValue);
            if (loginUser == null) {
                throw new ServiceException("获取用户信息异常", HttpStatus.UNAUTHORIZED);
            }
            return loginUser;
        } catch (Exception e) {
            log.error("==========???????" + e.getMessage());
            throw new ServiceException("获取用户信息异常", HttpStatus.UNAUTHORIZED);
        }
    }


    /**
     * 生成BCryptPasswordEncoder密码
     *
     * @param password 密码
     * @return 加密字符串
     */
    public static String encryptPassword(String password) {
        return BCrypt.hashpw(password);
    }

    /**
     * 判断密码是否相同
     *
     * @param rawPassword     真实密码
     * @param encodedPassword 加密后字符
     * @return 结果
     */
    public static boolean matchesPassword(String rawPassword, String encodedPassword) {
        log.info("===========matchesPassword ：rawPassword=" + rawPassword);
        log.info("===========matchesPassword ：encodedPassword=" + encodedPassword);
        return BCrypt.checkpw(rawPassword, encodedPassword);
    }

    /**
     * 是否为管理员
     *
     * @param userId 用户ID
     * @return 结果
     */
    public static boolean isAdmin(Long userId) {
        return userId != null && 1L == userId;
    }

    /**
     * 验证用户是否具备某权限
     *
     * @param permission 权限字符串
     * @return 用户是否具备某权限
     */
    public static boolean hasPermi(String permission) {
        return hasPermi(getLoginUser().getPermissions(), permission);
    }

    /**
     * 判断是否包含权限
     *
     * @param authorities 权限列表
     * @param permission  权限字符串
     * @return 用户是否具备某权限
     */
    public static boolean hasPermi(Collection<String> authorities, String permission) {
        return authorities.stream().filter(StringUtils::hasText).anyMatch(x -> Constants.ALL_PERMISSION.equals(x) || PatternMatchUtils.simpleMatch(x, permission));
    }

    /**
     * 验证用户是否拥有某个角色
     *
     * @param role 角色标识
     * @return 用户是否具备某角色
     */
    public static boolean hasRole(String role) {
        List<SysRole> roleList = getLoginUser().getUser().getRoles();
        Collection<String> roles = roleList.stream().map(SysRole::getRoleKey).collect(Collectors.toSet());
        return hasRole(roles, role);
    }

    /**
     * 判断是否包含角色
     *
     * @param roles 角色列表
     * @param role  角色
     * @return 用户是否具备某角色权限
     */
    public static boolean hasRole(Collection<String> roles, String role) {
        return roles.stream().filter(StringUtils::hasText).anyMatch(x -> Constants.SUPER_ADMIN.equals(x) || PatternMatchUtils.simpleMatch(x, role));
    }
}
